<template>
  <view>
    <view class="edgeInsetTop"></view>
    <view class="bg-white padding-bj flex">
      <view
        class="cu-avatar xl margin-right-bj"
        :style="{ backgroundImage: 'url(' + $wanlshop.oss(refund.goods.image, 70, 70) + ')' }"
      >
      </view>
      <view class="text-sm" style="width: calc(100% - 128rpx)">
        <view class="margin-bottom-xs">
          <view class="text-cut-2">
            {{ refund.goods.title }}
          </view>
        </view>
        <view class="wanl-gray"> 规格：{{ refund.goods.difference }} </view>
      </view>
    </view>
    <view class="margin-top-bj">
      <view class="cu-form-group">
        <view class="title">物流状态</view>
        <picker @change="expressChange" :value="refund.expressType" :range="expressList">
          <view class="picker">
            {{ expressList[refund.expressType] }}
          </view>
        </picker>
      </view>
      <view class="cu-form-group">
        <view class="title">退款类型</view>
        <picker @change="typeChange" :value="refund.type" :range="typeList">
          <view class="picker">
            {{ typeList[refund.type] }}
          </view>
        </picker>
      </view>
      <view class="cu-form-group">
        <view class="title">退款原因</view>
        <picker @change="reasonChange" :value="refund.reason" :range="reasonList">
          <view class="picker">
            {{ reasonList[refund.reason] }}
          </view>
        </picker>
      </view>
      <view class="cu-form-group margin-top-bj">
        <view class="title">退款金额<text class="text-price margin-left-xs"></text></view>
        <input
          type="digit"
          :placeholder="amount.info"
          @input="moneyInput"
          :value="refund.price"
          :disabled="amount.total == 0"
        />
      </view>
      <view class="bg-white margin-top-bj">
        <view class="cu-form-group">
          <view class="title">上传凭证</view>
        </view>
        <view class="grid col-4 grid-square flex-sub padding-lr">
          <view class="bg-img" v-for="(item, index) in refund.images" :key="index" @tap="viewImage(index)">
            <image :src="$wanlshop.oss(item, 90, 90)" mode="aspectFill"></image>
            <view class="cu-tag bg-red" @tap.stop="delImg(index)"><text class="wlIcon-31guanbi"></text></view>
          </view>
          <view class="dashed" @tap="chooseImage" v-if="refund.images.length < 4">
            <text class="wlIcon-31paishe"></text>
          </view>
        </view>
      </view>
      <view class="cu-form-group margin-top-bj">
        <view class="title">退款理由</view>
        <input placeholder="选填" v-model="refund.refund_content" />
      </view>
    </view>
    <view class="edgeInsetBottom"> </view>
    <view class="wanlian cu-bar tabbar foot flex flex-direction">
      <button class="cu-btn wanl-bg-orange lg" @tap="addData">确认</button>
    </view>
  </view>
</template>

<script>
export default {
  data() {
    return {
      // 退款
      refund: {
        expressType: -1,
        type: -1,
        reason: -1,
        images: [],
        goods: {},
        freight_type: 0,
      },
      expressList: ['未收到货', '已收到货'],
      typeList: ['我要退款(无需退货)', '退货退款'],
      reasonList: ['不喜欢', '空包裹', '一直未送达', '颜色/尺码不符', '质量问题', '少件漏发', '假冒品牌'],
      // 价格
      amount: {
        total: 0,
        freight: 0,
        info: '',
      },
    };
  },
  onLoad(option) {
    this.loadData(option.id);
  },
  methods: {
    async loadData(id) {
      this.$api.get({
        url: '/wanlshop/refund/getRefundInfo',
        data: { id: id },
        success: res => {
          this.refund = res;
          var price = res.goods.price * res.goods.number;
          var freight_price = parseInt(res.goods.freight_price);
          this.amount.freight = freight_price;
          //计算运费价格,当只有一个商品或 运费策略累加运费可全退
          if (res.goods_number == 1 || res.freight_type == 2) {
            this.amount.info = `最多退款${price + freight_price}元，包含运费${freight_price}元`;
            this.amount.total = price + freight_price;
          } else {
            this.amount.info = `最多退${price}元，运费策略不含运费${freight_price}元`;
            this.amount.total = price;
          }
        },
      });
    },
    async addData() {
      if (this.refund.price <= 0) {
        this.$wanlshop.msg('价格不能为空');
        return false;
      }
      if (this.refund.price > this.amount.total) {
        this.$wanlshop.msg('退款不能超过￥' + this.amount.total + '元');
        return false;
      }
      // 提交
      this.$api.post({
        url: '/wanlshop/refund/editRefund',
        data: {
          id: this.refund.id,
          expressType: this.refund.expressType,
          type: this.refund.type,
          reason: this.refund.reason,
          price: this.refund.price,
          images: this.refund.images,
          refund_content: this.refund.refund_content,
        },
        success: res => {
          // 跳转到退款详情页,更新中央控制总线
          this.$wanlshop.to(`/pages/user/refund/details?id=${res}`);
        },
      });
    },

    // 退款金额
    moneyInput(e) {
      let money = e.detail.value;
      if (money > this.amount.total) {
        this.$wanlshop.msg('退款不能超过￥' + this.amount.total + '元');
      }
      // 判断是否超过订单总额,超过提示
      this.refund.price = money;
    },

    expressChange(e) {
      this.refund.expressType = e.detail.value;
    },
    typeChange(e) {
      this.refund.type = e.detail.value;
    },
    reasonChange(e) {
      this.refund.reason = e.detail.value;
    },

    chooseImage(index) {
      uni.chooseImage({
        count: 4, //默认9
        sizeType: ['original', 'compressed'], //可以指定是原图还是压缩图，默认二者都有
        sourceType: ['album'], //从相册选择
        success: res => {
          this.$api.get({
            url: '/wanlshop/common/uploadData',
            success: updata => {
              for (let i = 0; i < res.tempFilePaths.length; i++) {
                // 读取图片宽高
                uni.getImageInfo({
                  src: res.tempFilePaths[i],
                  success: image => {
                    this.$api.upload({
                      url: updata.uploadurl,
                      filePath: image.path,
                      name: 'file',
                      formData: updata.storage == 'local' ? null : updata.multipart,
                      success: data => {
                        this.refund.images.push(data.fullurl);
                      },
                    });
                  },
                });
              }
            },
          });
        },
      });
    },
    viewImage(key) {
      uni.previewImage({
        urls: this.refund.images,
        current: this.refund.images[key],
      });
    },
    delImg(key) {
      this.refund.images.splice(key, 1);
    },
  },
};
</script>

<style>
.dashed::after {
  border: 1px dashed #666;
}
.cu-btn.lg {
  width: calc(100% - 50rpx);
}
</style>
